420513120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:555

約数の個数: 240

約数和(自身を含む): 1508256288

約数和(自身を除く): 1087743168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 270, 284, 288, 324, 355, 360, 405, 426, 432, 457, 480, 540, 568, 639, 648, 710, 720, 810, 852, 864, 914, 1065, 1080, 1136, 1278, 1296, 1371, 1420, 1440, 1620, 1704, 1828, 1917, 2130, 2160, 2272, 2285, 2556, 2592, 2742, 2840, 3195, 3240, 3408, 3656, 3834, 4113, 4260, 4320, 4570, 5112, 5484, 5680, 5751, 6390, 6480, 6816, 6855, 7312, 7668, 8226, 8520, 9140, 9585, 10224, 10968, 11360, 11502, 12339, 12780, 12960, 13710, 14624, 15336, 16452, 17040, 18280, 19170, 20448, 20565, 21936, 23004, 24678, 25560, 27420, 28755, 30672, 32447, 32904, 34080, 36560, 37017, 38340, 41130, 43872, 46008, 49356, 51120, 54840, 57510, 61344, 61695, 64894, 65808, 73120, 74034, 76680, 82260, 92016, 97341, 98712, 102240, 109680, 115020, 123390, 129788, 131616, 148068, 153360, 162235, 164520, 184032, 185085, 194682, 197424, 219360, 230040, 246780, 259576, 292023, 296136, 306720, 324470, 329040, 370170, 389364, 394848, 460080, 486705, 493560, 519152, 584046, 592272, 648940, 658080, 740340, 778728, 876069, 920160, 973410, 987120, 1038304, 1168092, 1184544, 1297880, 1460115, 1480680, 1557456, 1752138, 1946820, 1974240, 2336184, 2595760, 2628207, 2920230, 2961360, 3114912, 3504276, 3893640, 4380345, 4672368, 5191520, 5256414, 5840460, 5922720, 7008552, 7787280, 8760690, 9344736, 10512828, 11680920, 13141035, 14017104, 15574560, 17521380, 21025656, 23361840, 26282070, 28034208, 35042760, 42051312, 46723680, 52564140, 70085520, 84102624, 105128280, 140171040, 210256560, 420513120]

約数ペア:

[(1, 420513120), (2, 210256560), (3, 140171040), (4, 105128280), (5, 84102624), (6, 70085520), (8, 52564140), (9, 46723680), (10, 42051312), (12, 35042760), (15, 28034208), (16, 26282070), (18, 23361840), (20, 21025656), (24, 17521380), (27, 15574560), (30, 14017104), (32, 13141035), (36, 11680920), (40, 10512828), (45, 9344736), (48, 8760690), (54, 7787280), (60, 7008552), (71, 5922720), (72, 5840460), (80, 5256414), (81, 5191520), (90, 4672368), (96, 4380345), (108, 3893640), (120, 3504276), (135, 3114912), (142, 2961360), (144, 2920230), (160, 2628207), (162, 2595760), (180, 2336184), (213, 1974240), (216, 1946820), (240, 1752138), (270, 1557456), (284, 1480680), (288, 1460115), (324, 1297880), (355, 1184544), (360, 1168092), (405, 1038304), (426, 987120), (432, 973410), (457, 920160), (480, 876069), (540, 778728), (568, 740340), (639, 658080), (648, 648940), (710, 592272), (720, 584046), (810, 519152), (852, 493560), (864, 486705), (914, 460080), (1065, 394848), (1080, 389364), (1136, 370170), (1278, 329040), (1296, 324470), (1371, 306720), (1420, 296136), (1440, 292023), (1620, 259576), (1704, 246780), (1828, 230040), (1917, 219360), (2130, 197424), (2160, 194682), (2272, 185085), (2285, 184032), (2556, 164520), (2592, 162235), (2742, 153360), (2840, 148068), (3195, 131616), (3240, 129788), (3408, 123390), (3656, 115020), (3834, 109680), (4113, 102240), (4260, 98712), (4320, 97341), (4570, 92016), (5112, 82260), (5484, 76680), (5680, 74034), (5751, 73120), (6390, 65808), (6480, 64894), (6816, 61695), (6855, 61344), (7312, 57510), (7668, 54840), (8226, 51120), (8520, 49356), (9140, 46008), (9585, 43872), (10224, 41130), (10968, 38340), (11360, 37017), (11502, 36560), (12339, 34080), (12780, 32904), (12960, 32447), (13710, 30672), (14624, 28755), (15336, 27420), (16452, 25560), (17040, 24678), (18280, 23004), (19170, 21936), (20448, 20565)]